For example: Agilent E4440A or Anritsu 68369
Noise Figure Instruments
Keysight / Agilent 346A
Noise Source, 10 MHz to 18 GHz, nominal ENR 6 dB, 3.5 mm(m)

Manufacturer: Keysight / Agilent
Keysight / Agilent 346B-002
Noise Source, 10 MHz to 18 GHz, nominal ENR 15 dB, 3.5 mm(m)

Manufacturer: Keysight / Agilent
Keysight / Agilent 346B-H01
Noise Source Option H01, 10 MHz-18 GHz, High ENR (21 dB typical)

Manufacturer: Keysight / Agilent
Keysight / Agilent 8970B
HP Agilent 8970B Noise Figure Meter, 10 MHz to 1600 MHz

Manufacturer: Keysight / Agilent
Keysight / Agilent 8970B-020
HP Agilent 8970B Noise Figure Meter, 10 MHz to 1600 MHz w/ Option 020

Manufacturer: Keysight / Agilent
Keysight / Agilent 8971B
HP Agilent Keysight 8971B Noise Figure Test Set

Manufacturer: Keysight / Agilent
Keysight / Agilent E5504B
E5504B Phase Noise Measurement Solution, 50 kHz to 26.5 GHz

Manufacturer: Keysight / Agilent
Keysight / Agilent E5505A
Phase Noise Measurement Solution, 50 kHz to 110 GHz

Manufacturer: Keysight / Agilent
Keysight / Agilent N4000A
N4000A SNS Series Noise Source 10 MHz to 18 GHz (ENR 6 dB)

Manufacturer: Keysight / Agilent
Keysight / Agilent N4001A
Agilent N4001A SNS Series Noise Source 10 MHz to 18 GHz (ENR 15 dB)

Manufacturer: Keysight / Agilent
Keysight / Agilent N8973A
HP Agilent N8973A Noise Figure Analyzer, 10 MHz to 3 GHz

Manufacturer: Keysight / Agilent
Keysight / Agilent N8974A
N8974A Noise Figure Analyzer 10 MHz to 6.7 GHz

Manufacturer: Keysight / Agilent
Keysight / Agilent N8975A
Agilent N8975A Noise Figure Analyzer 10 MHz to 26.5 GHz

Manufacturer: Keysight / Agilent
Keysight / Agilent N8975AZ-K40
N8975A Option K40 Blockdown Converter Block Downcoverter, 26.5 GHz - 40 GHz, APC 2.4(m)

Manufacturer: Keysight / Agilent
Noise Com NC346A
Noise Source, 10 MHz to 18 GHz, nominal ENR 6 dB, 3.5 mm(m)

Manufacturer: Noise Com
Noise Com NC346KA
Noise Com NC346KA is one of our refurbished 0.10 - 40.0 GHz Broadbrand Calibrated Noise Sources

Manufacturer: Noise Com